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Chalcopyrite

#PD32374
SOLD
CHALCOPYRITE from Bandora Mine, San Juan Co., Colorado, United States - PD32374
CHALCOPYRITE from Bandora Mine, San Juan Co., Colorado, United States - PD32374

Chalcopyrite

#PD32374
Availability
Sold
Size
2.5 x 1.5 x 1 cm - Thumbnail 
Formula
Cu1+Fe3+S2 (RRUFF)
Locality
Bandora Mine, San Juan Co., Colorado, United States
Tagged
sulfide

A singular nice brassy Chalcopyrite crystal to over 1cm with an iridescent patina that appears to be a possible penetration twin, but could also be a complex modified crystal, with a cluster of Quartz points and smaller Chalcopyrite crystals perched on one side.

Chalcopyrite

Formula
Cu1+Fe3+S2 
Crystal System
Tetragonal 
Crystal Habit
Euhedral Crystals, Striated, Druse 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
brass yellow, honey yellow 
Streak
greenish black 
Class
Tetragonal - Scalenohedral 
Fracture
Brittle 
Hardness
3.5 

Data courtesy of Webmineral.

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